Cameron Houston and Kristian Silva

A second Gold Coast-based syndicate in less than a month has been raided by police as drug gangs continue to exploit flaws in airport security to smuggle tonnes of marijuana between Melbourne and Brisbane.

A joint police taskforce from Queensland, Victoria and NSW code-named Operation Kilo Zurich tracked more than 1.5 tonnes of cannabis taken on commercial flights departing from Tullamarine Airport over the past year.

Police allege that couriers made more than 40 trips between Melbourne and Brisbane airports, packing up to 25 kilograms of marijuana into suitcases. The gang also used domestic flights to Townsville and Coolangatta airports to transfer drugs.

As part of a joint operation on Tuesday, 21 people were charged with 42 offences while more than $1 million of drugs were seized in raids on 13 Queensland properties, two in Victoria and one in New South Wales.

A Victoria Police spokeswoman said detectives had arrested two men, after three warrants were executed in Deer Park and one in Taylors Lakes. Two men from Deer Park, both aged 38, were in custody and assisting detectives with inquiries, according to the spokeswoman.

Queensland Police detective acting superintendent Scott Knowles said he would seek extradition of the Victorian men in the next few days.

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"It seems to be a syndicate within Victoria that appears to be producing these sort of drugs, and as a result, we seem to identify a number of criminal organisations from here in Queensland sourcing the drugs from there," acting superintendent Knowles said.

Last month, law enforcement agencies dismantled a similar drug ring operating from the Gold Coast, which transported $8 million worth of cannabis on domestic flights from Melbourne since last November.

Acting Superintendent Knowles confirmed links between the two syndicates.

"They'd talk and discuss between themselves the price that they would sell it for so they weren't undercutting each other but they operated as total, separate criminal organisations," he said.